/* ============================================================
   证书领取页 · 领取四步阶梯 + 电子/纸质说明
   ============================================================ */

/* ---------- 首屏 ---------- */
.hero{position:relative;min-height:72vh;display:flex;align-items:center;overflow:hidden;background:var(--mix-bg)}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover}
.hero-mask{position:absolute;inset:0;background:linear-gradient(100deg,rgba(255,255,255,.94) 10%,rgba(255,255,255,.8) 50%,rgba(234,244,252,.42) 85%,rgba(241,238,251,.35) 100%)}
.hero-inner{position:relative;z-index:2;padding:150px 0 130px}
.hero-kicker{display:inline-block;padding:8px 18px;border-radius:999px;background:rgba(255,255,255,.75);border:1px solid rgba(59,143,212,.28);color:var(--blue);font-weight:600;font-size:.9rem;letter-spacing:2px}
.hero-title{font-size:clamp(1.9rem,4.2vw,3.1rem);font-weight:800;line-height:1.3;margin:22px 0 18px;letter-spacing:.5px}
.hero-title em{font-style:normal;background:linear-gradient(120deg,var(--blue),var(--purple));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{max-width:620px;color:var(--ink-2);font-size:1.05rem;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-wave{position:absolute;left:0;right:0;bottom:-1px;z-index:3}
.hero-wave svg{display:block;width:100%;height:70px}
.hero-line{opacity:0;animation:heroUp .85s cubic-bezier(.22,.9,.3,1) forwards}
.hero-line.d1{animation-delay:.15s}.hero-line.d2{animation-delay:.3s}.hero-line.d3{animation-delay:.45s}.hero-line.d4{animation-delay:.6s}
@keyframes heroUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.hero-line{opacity:1;animation:none}}

/* ---------- 四步阶梯 ---------- */
.stair{background:#fff;overflow:hidden}
.stair::after{content:"";position:absolute;left:-120px;bottom:-100px;width:380px;height:380px;background:radial-gradient(circle,rgba(59,143,212,.12),transparent 70%);border-radius:50%}
.stair-wrap{position:relative;list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;align-items:end}
.stair-step{position:relative;padding:28px 22px;border-radius:var(--r-lg) var(--r-sm) var(--r-lg) var(--r-sm);background:var(--blue-bg);transition:transform .3s,box-shadow .3s}
.stair-step:nth-child(1){margin-bottom:90px}
.stair-step:nth-child(2){margin-bottom:60px;background:linear-gradient(160deg,var(--blue-bg),var(--purple-bg));border-radius:var(--r-sm) var(--r-lg) var(--r-sm) var(--r-lg)}
.stair-step:nth-child(3){margin-bottom:30px;background:var(--purple-bg)}
.stair-step:nth-child(4){margin-bottom:0}
.stair-step:hover{transform:translateY(-6px);box-shadow:var(--shadow-2)}
.stair-step i{display:flex;width:46px;height:46px;margin-bottom:14px;align-items:center;justify-content:center;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff;font-style:normal;font-weight:800;font-size:1.2rem;box-shadow:0 8px 18px rgba(124,111,208,.3)}
.stair-step h3{font-size:1.1rem;font-weight:800;margin-bottom:8px}
.stair-step p{font-size:.88rem;color:var(--ink-2);line-height:1.65}
.stair-step a{color:var(--blue);font-weight:600}

/* ---------- 电子/纸质说明 ---------- */
.form{background:var(--mix-bg)}
.form-wrap{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center}
.form-media img{width:100%;height:auto;border-radius:var(--r-lg) var(--r-sm) var(--r-lg) var(--r-sm);box-shadow:var(--shadow)}
.form-media figcaption{margin-top:10px;font-size:.84rem;color:var(--ink-3);text-align:center}
.form-text .section-title{text-align:left}
.form-text p{color:var(--ink-2);margin:14px 0}
.form-text a{color:var(--blue);font-weight:600}

/* ---------- 注意事项 ---------- */
.tips{background:#fff}
.tips-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.tip{padding:26px 22px;border:1px solid var(--line);border-radius:var(--r-md) var(--r-sm) var(--r-md) var(--r-sm);background:#fff;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s}
.tip:nth-child(2n){background:var(--purple-bg);border-radius:var(--r-sm) var(--r-md) var(--r-sm) var(--r-md)}
.tip:hover{transform:translateY(-5px);box-shadow:var(--shadow-2)}
.tip b{display:block;font-size:1rem;margin-bottom:8px;color:var(--ink)}
.tip span{font-size:.88rem;color:var(--ink-2);line-height:1.6}
.tips-note{margin-top:22px;text-align:center;color:var(--ink-2);font-size:.93rem}

/* ---------- FAQ ---------- */
.faq{background:var(--mix-bg)}
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md) var(--r-sm) var(--r-md) var(--r-sm);padding:20px 24px;box-shadow:var(--shadow)}
.faq-item summary{display:flex;justify-content:space-between;align-items:center;gap:12px;cursor:pointer;font-weight:700;font-size:1.02rem;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .caret{transition:transform .25s;color:var(--ink-3)}
.faq-item[open] summary .caret{transform:rotate(180deg)}
.faq-item p{margin-top:12px;color:var(--ink-2);font-size:.95rem}
.faq-item a{color:var(--blue);font-weight:600}

/* ---------- 互链 ---------- */
.rel{background:#fff}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.rel-card{display:flex;flex-direction:column;gap:4px;padding:22px;border:1px solid var(--line);border-radius:var(--r-lg) var(--r-sm) var(--r-lg) var(--r-sm);background:var(--blue-bg);transition:transform .25s,box-shadow .25s}
.rel-card:nth-child(3n){background:var(--purple-bg)}
.rel-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-2)}
.rel-card b{font-size:1.05rem}
.rel-card span{font-size:.84rem;color:var(--ink-2)}
.rel-card.active-me{outline:2px solid var(--purple);outline-offset:2px}

/* ---------- 资讯 ---------- */
.news{background:#fff}
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.n-card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r-lg) var(--r-sm) var(--r-lg) var(--r-sm);overflow:hidden;background:#fff;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.n-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-2)}
.n-thumb{overflow:hidden}
.n-thumb img{width:100%;height:180px;object-fit:cover;transition:transform .5s}
.n-card:hover .n-thumb img{transform:scale(1.06)}
.n-body{padding:16px;display:flex;flex-direction:column;gap:8px;flex:1}
.n-body h3{font-size:.98rem;font-weight:700;line-height:1.5}
.n-body p{color:var(--ink-2);font-size:.86rem;flex:1}
.n-body time{color:var(--ink-3);font-size:.78rem}
.news-more{text-align:center;margin-top:36px}

/* ---------- CTA ---------- */
.cta{background:var(--mix-bg)}
.cta-box{position:relative;overflow:hidden;text-align:center;background:#fff;border:1px solid var(--line);border-radius:16px 36px 16px 36px;padding:54px 30px;box-shadow:var(--shadow-2)}
.cta-bubble{position:absolute;border-radius:50%;filter:blur(8px)}
.cta-bubble.b1{width:260px;height:260px;left:-90px;top:-90px;background:radial-gradient(circle,rgba(59,143,212,.18),transparent 70%)}
.cta-bubble.b2{width:240px;height:240px;right:-80px;bottom:-80px;background:radial-gradient(circle,rgba(124,111,208,.18),transparent 70%)}
.cta-box h2{font-size:clamp(1.5rem,2.8vw,2.1rem);font-weight:800;margin-bottom:14px}
.cta-box h2 em{font-style:normal;background:linear-gradient(120deg,var(--blue),var(--purple));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.cta-box>p{color:var(--ink-2);max-width:560px;margin:0 auto 22px}
.cta-contact{display:flex;flex-wrap:wrap;justify-content:center;gap:14px 30px;margin-bottom:26px}
.cta-line{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:1.05rem;color:var(--ink)}
.cta-line:hover{color:var(--blue)}
.cta-line .ico{color:var(--purple)}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px}

/* ---------- 电子证下载实操 ---------- */
.down{background:var(--mix-bg)}
.down-wrap{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center}
.down-media img{width:100%;height:auto;border-radius:var(--r-lg) var(--r-sm) var(--r-lg) var(--r-sm);box-shadow:var(--shadow)}
.down-media figcaption{margin-top:10px;font-size:.84rem;color:var(--ink-3);text-align:center}
.down-text .section-title{text-align:left}
.down-text>p{color:var(--ink-2);margin:14px 0;font-size:.95rem;line-height:1.8}
.down-text a{color:var(--blue);font-weight:600}
.down-list{display:flex;flex-direction:column;gap:10px;margin:16px 0}
.down-list li{padding:14px 18px;background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);box-shadow:var(--shadow);color:var(--ink-2);font-size:.9rem;line-height:1.7}
.down-list li b{color:var(--ink)}

/* ---------- 领证后第一件事 ---------- */
.after{background:#fff}
.after-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.after-item{display:flex;gap:16px;padding:24px;border:1px solid var(--line);border-radius:var(--r-md) var(--r-sm) var(--r-md) var(--r-sm);background:var(--blue-bg);box-shadow:var(--shadow)}
.after-item:nth-child(2n){background:var(--purple-bg)}
.after-item svg{flex:0 0 auto;color:var(--blue);margin-top:3px}
.after-item:nth-child(2n) svg{color:var(--purple)}
.after-item b{display:block;font-size:1rem;margin-bottom:6px}
.after-item p{font-size:.88rem;color:var(--ink-2);line-height:1.7}
.after-note{margin-top:24px;text-align:center;color:var(--ink-2);font-size:.95rem;line-height:1.9;max-width:720px;margin-left:auto;margin-right:auto}

/* ---------- 错过当批窗口 ---------- */
.miss{background:var(--blue-bg)}
.miss-wrap{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center}
.miss-media img{width:100%;height:auto;border-radius:var(--r-sm) var(--r-lg) var(--r-sm) var(--r-lg);box-shadow:var(--shadow)}
.miss-media figcaption{margin-top:10px;font-size:.84rem;color:var(--ink-3);text-align:center}
.miss-text .section-title{text-align:left}
.miss-text>p{color:var(--ink-2);margin:14px 0;font-size:.95rem;line-height:1.85}
.miss-text b{color:var(--ink)}
.miss-text a{color:var(--blue);font-weight:600}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .miss-wrap{grid-template-columns:1fr;gap:28px}
  .down-wrap{grid-template-columns:1fr;gap:28px}
  .after-grid{grid-template-columns:1fr}
  .stair-wrap{grid-template-columns:1fr 1fr;gap:16px}
  .stair-step{margin-bottom:0 !important}
  .form-wrap{grid-template-columns:1fr;gap:28px}
  .tips-grid{grid-template-columns:repeat(2,1fr)}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:767px){
  .hero-inner{padding:120px 0 100px}
  .stair-wrap{grid-template-columns:1fr}
  .tips-grid,.rel-grid,.news-grid{grid-template-columns:1fr}
  .hero-wave svg{height:44px}
}